@Override
 public void onScrollStateChanged(AbsListView view, int scrollState) {
   if (mContentView.getLastVisiblePosition() >= totalCount - 1 && !isLoading) {
     footerContent.setVisibility(View.VISIBLE);
     searchNextPage();
   }
 }
Exemplo n.º 2
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  /** 判断是否到了最底部 */
  private boolean isBottom() {

    if (mListView != null && mListView.getAdapter() != null) {
      return mListView.getLastVisiblePosition() == (mListView.getAdapter().getCount() - 1);
    }
    return false;
  }
Exemplo n.º 3
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  /**
   * Notifies the menu that the contents of the menu item specified by {@code menuRowId} have
   * changed. This should be called if icons, titles, etc. are changing for a particular menu item
   * while the menu is open.
   *
   * @param menuRowId The id of the menu item to change. This must be a row id and not a child id.
   */
  public void menuItemContentChanged(int menuRowId) {
    // Make sure we have all the valid state objects we need.
    if (mAdapter == null || mMenu == null || mPopup == null || mPopup.getListView() == null) {
      return;
    }

    // Calculate the item index.
    int index = -1;
    int menuSize = mMenu.size();
    for (int i = 0; i < menuSize; i++) {
      if (mMenu.getItem(i).getItemId() == menuRowId) {
        index = i;
        break;
      }
    }
    if (index == -1) return;

    // Check if the item is visible.
    ListView list = mPopup.getListView();
    int startIndex = list.getFirstVisiblePosition();
    int endIndex = list.getLastVisiblePosition();
    if (index < startIndex || index > endIndex) return;

    // Grab the correct View.
    View view = list.getChildAt(index - startIndex);
    if (view == null) return;

    // Cause the Adapter to re-populate the View.
    list.getAdapter().getView(index, view, list);
  }
Exemplo n.º 4
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 private void reset() {
   int begin = mListView.getFirstVisiblePosition();
   int end = mListView.getLastVisiblePosition();
   if (mAdapter.cancelSelection(mListView, begin, end) < 1 && mFromMenu) {
     mActionMode.finish();
   }
 }
Exemplo n.º 5
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  public View getView(int position, View convertView, ViewGroup parent) {
    AlbumDescriptor albumDescriptor = mData.get(position);
    if (null == convertView || !albumDescriptor.getAlbumId().equals(convertView.getTag())) {
      LayoutInflater inflater = LayoutInflater.from(mContext);
      convertView = (ViewGroup) inflater.inflate(R.layout.album_list_item, parent, false);
      convertView.setTag(albumDescriptor.getAlbumId());
    }

    ListView theListView = null;
    if (parent instanceof ListView) {
      theListView = (ListView) parent;
    }

    final TextView albumText = (TextView) convertView.findViewById(R.id.item_title);
    albumText.setText("" + albumDescriptor.getPhotosCount() + " hot photos");

    final ImageViewProxy imgView = (ImageViewProxy) convertView.findViewById(R.id.album_cover);
    imgView.setImageLink(albumDescriptor.getCoverLinkage());
    imgView.setLoadingIcon(Constants.IMG_LOADING);
    imgView.setImageChangeListener(
        new ImageViewProxy.OnImageChangeListiner() {
          @Override
          public void onImageChanged() {
            Rect rect = imgView.getDrawable().copyBounds();
            Point size = GraphicsUtil.getDisplaySize(imgView.getContext());

            if (0 == rect.width() || 0 == size.x) {
              // wrong, possible 'divided by 0'
              return;
            }

            // TODO HERE TO CALC
            // suppose the image is wider than screen width
            int height =
                rect.height()
                    * imgView.getLayoutParams().width
                    / rect.width(); // size.x is screen width.
            /*
            if(size.x > rect.width()) {
                //TODO HERE TO CALC
                height = (int)(rect.height() * 1.1);
            }


            imgView.setScaleType(ImageView.ScaleType.FIT_CENTER);
            imgView.getLayoutParams().height = height;
            imgView.requestLayout();
            */

          }
        });

    if (position > theListView.getFirstVisiblePosition() - PRE_LOAD_COUNT
        || position < theListView.getLastVisiblePosition() + PRE_LOAD_COUNT) {
      imgView.show();
    }
    albumDescriptor.printInfo();
    return convertView;
  }
Exemplo n.º 6
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 private void setAllUnselected() {
   for (int i = 0;
       i <= (mListView.getLastVisiblePosition() - mListView.getFirstVisiblePosition());
       i++)
     mListView
         .getChildAt(i)
         .setBackgroundColor(getActivity().getResources().getColor(R.color.non_selected_color));
 }
 private void reprioritizeDownloads() {
   int lastVisibleItem = listView.getLastVisiblePosition();
   if (lastVisibleItem >= 0) {
     int firstVisibleItem = listView.getFirstVisiblePosition();
     adapter.prioritizeViewRange(
         firstVisibleItem, lastVisibleItem, PROFILE_PICTURE_PREFETCH_BUFFER);
   }
 }
  /**
   * Highlight current playing item Make the playing item can be seen.
   *
   * @param position
   */
  private void onItemPlay(int position) {
    // Make the the playing item can be seen.
    mMusicListView.smoothScrollToPosition(position);
    int prePlayingPosition = mMusicListAdapter.getPlayingPosition();
    if (prePlayingPosition >= mMusicListView.getFirstVisiblePosition()
        && prePlayingPosition <= mMusicListView.getLastVisiblePosition()) {
      int preItem = prePlayingPosition - mMusicListView.getFirstVisiblePosition();
      ((ViewGroup) mMusicListView.getChildAt(preItem)).getChildAt(0).setVisibility(View.INVISIBLE);
    }

    mMusicListAdapter.setPlayingPosition(position);

    if (mMusicListView.getLastVisiblePosition() < position
        || mMusicListView.getFirstVisiblePosition() > position) return;

    int currentItem = position - mMusicListView.getFirstVisiblePosition();
    ((ViewGroup) mMusicListView.getChildAt(currentItem)).getChildAt(0).setVisibility(View.VISIBLE);
  }
Exemplo n.º 9
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 public static void ensureVisible(ListView list, int positionToShow) {
   // TODO could be enhanced by using setSelectionFromTop(). setSelection
   // always scrolls the list to the same offset, would prefer to show item
   // at top/bottom depending on direction
   if (positionToShow < list.getFirstVisiblePosition()
       || positionToShow > list.getLastVisiblePosition()) {
     list.setSelection(positionToShow);
   }
 }
Exemplo n.º 10
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 public void loadImage() {
   int start = mListView.getFirstVisiblePosition();
   int end = mListView.getLastVisiblePosition();
   if (end >= getCount()) {
     end = getCount() - 1;
   }
   syncImageLoader.setLoadLimit(start, end);
   syncImageLoader.unlock();
 }
Exemplo n.º 11
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 private boolean isBottom() {
   if (mListView.getCount() > 0) {
     if (mListView.getLastVisiblePosition() == mListView.getAdapter().getCount() - 1
         && mListView.getChildAt(mListView.getChildCount() - 1).getBottom()
             <= mListView.getHeight()) {
       return true;
     }
   }
   return false;
 }
Exemplo n.º 12
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 private void updateSubTabUI(boolean refresh) {
   int lastPosition = contentList.getLastVisiblePosition();
   Log.d(TAG, "lastVisible position is " + lastPosition);
   FacebookEventAdapter fea =
       new FacebookEventAdapter(FacebookEventActivity.this, event, withFooterView, simpleViewMode);
   contentList.setAdapter(fea);
   // if after refreshing, do not set select position.
   if (refresh == false) {
     contentList.setSelection(lastPosition + 1);
   }
 }
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    // Refresh the app that was just edited, if it's visible in the list
    ListView list = (ListView) findViewById(R.id.lstApps);
    if (requestCode >= list.getFirstVisiblePosition()
        && requestCode <= list.getLastVisiblePosition()) {
      View v = list.getChildAt(requestCode - list.getFirstVisiblePosition());
      list.getAdapter().getView(requestCode, v, list);
    }
  }
Exemplo n.º 14
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        @Override
        public boolean getIsListViewToBottom() {
          if ((singleChatLv.getChildAt(-1 + singleChatLv.getChildCount()).getBottom()
                  > singleChatLv.getHeight())
              || (singleChatLv.getLastVisiblePosition()
                  != -1 + singleChatLv.getAdapter().getCount())) {

            return false;
          } else {

            return true;
          }
        }
 private void updateView(int index) {
   int firstVisiblePosition = lv_no_receive.getFirstVisiblePosition();
   int lastVisiblePosition = lv_no_receive.getLastVisiblePosition();
   if (index >= firstVisiblePosition && index <= lastVisiblePosition) {
     View view = lv_no_receive.getChildAt(index - firstVisiblePosition);
     if (view.getTag() instanceof NoReceivedAdapter.ExpressHolder) {
       NoReceivedAdapter.ExpressHolder vh = (NoReceivedAdapter.ExpressHolder) view.getTag();
       vh.tv_express_notice.setBackgroundDrawable(CommonUtils.creatRectangleDrawble("#d0d0d0"));
       // 改变状态 不能再通知
       noReceivedAdapter.getItem(index).canNotify = false;
     }
   }
 }
Exemplo n.º 16
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 /**
  * Scroll view to the center of the list
  *
  * @param view
  * @param parent
  */
 public static void scrollViewToCenter(View view, ListView parent) {
   ListAdapter items = parent.getAdapter();
   int viewY = view.getTop() + view.getHeight() / 2 - parent.getHeight() / 2;
   if (viewY < 0 && parent.getFirstVisiblePosition() == 0) {
     parent.smoothScrollToPosition(0);
   } else if (viewY > 0 && parent.getLastVisiblePosition() == items.getCount() - 1) {
     parent.smoothScrollToPosition(items.getCount() - 1);
   } else {
     Command.invoke(SCROLL_LIST_FOR_DISTANCE_IN_ANY_MILLIS)
         .args(parent, viewY, 300)
         .only()
         .sendDelayed(100);
   }
 }
Exemplo n.º 17
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  // 肯定是在当前的session内
  private void onMsgRecv(MessageEntity entity) {
    logger.d("message_activity#onMsgRecv");

    imService.getUnReadMsgManager().ackReadMsg(entity);
    logger.d("chat#start pushList");
    pushList(entity);
    ListView lv = lvPTR.getRefreshableView();
    if (lv != null) {

      if (lv.getLastVisiblePosition() < adapter.getCount()) {
        textView_new_msg_tip.setVisibility(View.VISIBLE);
      } else {
        scrollToBottomListItem();
      }
    }
  }
Exemplo n.º 18
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  private void changeListView() {
    int visiblePosition = leftView.getFirstVisiblePosition();
    int lastVisiblePosition = leftView.getLastVisiblePosition();
    int selectedItemNum = selectItemPosition - visiblePosition;
    // Log.d("LogonActivity", String.format("SildingLayout:visiblePosition:%d ,lastVisiblePosition
    // %d",visiblePosition,lastVisiblePosition));
    for (int i = 0; i <= lastVisiblePosition - visiblePosition; i++) // 获取ListView的所有Item数目
    {
      //    LinearLayout linearlayout = (LinearLayout)mListView.getChildAt(i);
      View view = leftView.getChildAt(i);

      if (view != null && view.getTag() != null) {
        LeftViewAdapter.ViewHolder holder = (LeftViewAdapter.ViewHolder) view.getTag();
        // holder.textView.setText(String.valueOf(parentViewScrollX));
        holder.description.setAlpha(Math.abs(parentView.getX()) / viewWidth);
        if (i == selectedItemNum) {
          holder.textView.setText("我被选中了!");
        }
      }
    }
  }
Exemplo n.º 19
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  private void updateRead() {
    Log.d(TAG, "Updating buffer read, chat is visible: " + getUserVisibleHint());
    if (adapter.buffer != null) {

      // Don't save position if list is at bottom
      if (backlogList.getLastVisiblePosition() == adapter.getCount() - 1) {
        adapter.buffer.setTopMessageShown(0);
      } else {
        adapter.buffer.setTopMessageShown(adapter.getListTopMessageId());
      }
      if (adapter.buffer.getUnfilteredSize() != 0) {
        BusProvider.getInstance()
            .post(new ManageChannelEvent(adapter.getBufferId(), ChannelAction.MARK_AS_READ));
        BusProvider.getInstance()
            .post(
                new ManageMessageEvent(
                    adapter.getBufferId(),
                    adapter.buffer.getUnfilteredBacklogEntry(adapter.buffer.getUnfilteredSize() - 1)
                        .messageId,
                    MessageAction.LAST_SEEN));
      }
    }
  }
 private boolean isCurrentListViewItemVisible(int position) {
   int first = listView.getFirstVisiblePosition();
   int last = listView.getLastVisiblePosition();
   return first <= position && position <= last;
 }
Exemplo n.º 21
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 public void testTouchEvents() {
   TouchUtils.scrollToBottom(this, getActivity(), list);
   getInstrumentation().waitForIdleSync();
   assertEquals(list.getLastVisiblePosition(), 24);
 }
Exemplo n.º 22
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package com.chang.news.util;
 @Override
 public int[] findLastVisibleItemPositions() {
   return new int[] {mListView.getLastVisiblePosition()};
 }